Solution
49. ♜b5+ ♚c6 50. ♜xc4+ ♚d7 51. ♜b7+ ♚d8 52. ♜b8+
The position
This advanced puzzle (rating 1924) asks White to move to find the winning idea. It features these themes: Deflection.
It is White to move. Look for the tactic hiding in the position — Deflection. Drag a piece on the board to play your move; the puzzle will tell you if you found the best continuation.
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